製品説明
Terbium gallium garnet (TGG) is a kind of high performance magneto-optical crystal in the visible and near infrared spectrum, which is widely used in laser technology, optical communication and optical information processing technology. It has high feld constant, low optical absorption coefficient, high laser damage threshold and good optical properties. These excellent properties make TGG crystal an ideal material for magneto-optical isolator.
Main Advantages：
Large Verdet Constant (40 Rad T-1 m-1)
低い光損失 (<0.1%/cm)
High thermal conductivity (7.4W m-1K-1).
High laser damage threshold (>1GW/cm2).
典型的なアプリケーション:
Faraday rotator
Optical isolator
材料特性
| 化学式 | Tb3Ga5O12 |
| 格子定数 | a=12.355Å |
| Growth Method | Czochralski |
| 密度 | 7.13g/cm3 |
| Hardness | 8.0 |
| 融点 | 1725 ℃ |
| Refractive Index | 1.954 @ 1064nm |
技術的パラメータ
Crystro offers:
| Orientation | [111] ±15′ |
| Wave Front Distortion | <λ/8 |
| Extinction Ratio | >35dB |
| Diameter Tolerance | +0.00mm/-0.05mm |
| Length Tolerance | +0.2mm/-0.2mm |
| Chamfer | 0.10mm@45º |
| 平面度 | <λ/10 @ 633nm |
| 平行度 | < 30" |
| 直角度 | < 5' |
| Surface Quality（S/D） | 10-5 |
| Coating | AR, R<0.2% |
| Dimensions | Max Φ101.6 mm (4’inch) |
